Home / 818,427.58-1,225,545.23-683,155.31

Finding the Fourth Proportional to 818,427.58, 1,225,545.23 and 683,155.31

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Solution

The fourth proportional to 818,427.58, 1,225,545.23 and 683,155.31 is: 1,022,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,427.58 : 1,225,545.23 = 683,155.31 : x
  2. Step 2: Convert to fraction form
    818,427.58/1,225,545.23 = 683,155.31/x
  3. Step 3: Cross multiply
    818,427.58x = 1,225,545.23 × 683,155.31
  4. Step 4: Simplify right side
    818,427.58x = 837,237,731,695.63
  5. Step 5: Solve for x
    x = 837,237,731,695.63/818,427.58
  6. Step 6: Final answer
    x = 1,022,983.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.